209739420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{105929}}^1$

素因数の和:105955

約数の個数: 72

約数和(自身を含む): 694053360

約数和(自身を除く): 484313940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 105929, 211858, 317787, 423716, 529645, 635574, 953361, 1059290, 1165219, 1271148, 1588935, 1906722, 2118580, 2330438, 3177870, 3495657, 3813444, 4660876, 4766805, 5826095, 6355740, 6991314, 9533610, 10486971, 11652190, 13982628, 17478285, 19067220, 20973942, 23304380, 34956570, 41947884, 52434855, 69913140, 104869710, 209739420]

約数ペア:

[(1, 209739420), (2, 104869710), (3, 69913140), (4, 52434855), (5, 41947884), (6, 34956570), (9, 23304380), (10, 20973942), (11, 19067220), (12, 17478285), (15, 13982628), (18, 11652190), (20, 10486971), (22, 9533610), (30, 6991314), (33, 6355740), (36, 5826095), (44, 4766805), (45, 4660876), (55, 3813444), (60, 3495657), (66, 3177870), (90, 2330438), (99, 2118580), (110, 1906722), (132, 1588935), (165, 1271148), (180, 1165219), (198, 1059290), (220, 953361), (330, 635574), (396, 529645), (495, 423716), (660, 317787), (990, 211858), (1980, 105929)]